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Truck starts fine runs smooth for about a mile then starts running rough and then craps out.Will not restart right away.Let it sit for a half hour,starts right up and then does the same thing
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A properly-operating engine should run smoothly and without excess noise. If your engine starts operating in a manner that gives you the perception of "running rough", it is likely due to a handful of common causes. A mechanic would investigate these common causes first in order to rule out a simple explanation for the engine's unsatisfactory operation.
The common causes for rough running in an engine are:
Sounds like an engine sensor problem (could be one of several) - start with an error code (DTC) check with a good code reader and follow up if there are any.
You have a blown head gasket, it runs rough because the coolant is leaking into the engine, and the water gushing out when you fill the radiator is a dead give away.
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